液压缸指南:密封套件
Seal kits are used to close gaps between components in hydraulic cylinders. Closing these gaps is essential because seals are responsible for maintaining hydraulic pressure 和 preventing contaminants in fluid power systems.
If you’re thinking about purchasing a hydraulic cylinder seal kit, 你很可能有一些问题. In this article, we’ll outline what you need to know before you make your purchase.
液压缸密封套件是通用的吗?
简短的回答:不.
There are many types of hydraulic cylinder rebuild kits. Each hydraulic cylinder has unique rod 和 bore diameters, 行程长度, 买足球app推荐长度, 压力流量要求, 等. Some of the different types of hydraulic cylinder seal kits include st和ard, 加载唇, 铸铁活塞环, 和氟碳.
The type of kit you need depends on the piston rod’s stroking speed, 液体媒体, 流体压力范围, 和更多的. You must also be sure that the seals in the kit are the right size.
如何选择合适的印章尺寸
Sizing a hydraulic cylinder seal kit is a straightforward process. You need a tape measure 和 calipers to take measurements. 慢慢来，一丝不苟.
第一步:测量内径
Determine your cylinder’s bore, which is the interior diameter of the cylinder. Measure bore with a tape measure str等hed across the cylinder’s inner barrel.
第二步:测量活塞杆
活塞杆通常是镀铬的, circular piece of hardened steel that’s attached to the piston. 用外卡尺测量其直径.
Step 3: Determine the Cylinder’s Retracted Length
The retracted length of your cylinder is the distance between the centers of its pin holes when the cylinder is totally closed (retracted). Your tape measure will work best for this step.
Step 4: Measure the Cylinder’s Extended Length
The extended length of a hydraulic cylinder is the distance between its pin holes when the cylinder is completely opened. 同样，用卷尺来测量.
第五步:计算买足球app推荐的行程
Simply subtract your cylinder’s retracted length from its extended length. 例如, 如果你的缩回长度是12英寸, 你的加长长度是34英寸, 你的泳姿是22英寸.
Step 6: Perform a Thorough Visual Inspection of Your Hydraulic Cylinder
仔细评估买足球app推荐的软管端口, which are where you connect hydraulic lines to deliver fluid into the cylinder. Look for any signs of abnormal wear 和 tear 和 order replacement accessories, as necessary.
液压缸密封的类型
The two main types of hydraulic cylinder seals are: static 和 dynamic. Static seals stay in one place 和 prevent fluid leakage in areas where there’s no movement, 比如活塞和连杆连接的地方.
Dynamic seals, on the other h和, are used in parts that move relative to each other. Examples of dynamic seals include piston seals, which control the motion of the cylinder; rod 和 buffer seals, which manage fluid leakage 和 lubrication; wiper seals, which keep dirt out of the system; 和 guide rings, which keep everything aligned 和 prevent wear. Together, these seals play a vital role in the efficient operation of hydraulic cylinders.
失败的迹象
液压缸密封套件 are essential when you suddenly encounter an unforeseen failure. 有些密封故障很容易发现, 如油从买足球app推荐周围泄漏, 而另一些则更具挑战性.
液压压力下降, 过热的汽缸, 巨大的撞击声或撞击声, 和 higher-than-normal shaking 和 vibration are all signs you need to inspect your cylinder. Other potential signs of seal failure include:
- 过度磨损: Excessive wear is often caused by inadequate or improper lubrication 和 can eventually lead to 撕裂 和 discoloring of the seal.
- 密封硬化: Hydraulic cylinders operating in high-temperature conditions can experience seal hardening, 最终导致裂缝, 眼泪, 和撕裂.
- 不当的安装: One common mistake during seal replacement is measuring the seal instead of the groove where the seal is placed. Using the wrong seal size can lead to oil leaks, 污染, or a drop in pressure that can affect the cylinder’s performance.
- 污染: Dirt, debris, sludge, mud, 和 other elements can build up in the cylinder 和 seal. 如果不小心的话, the problem will continue to worsen until these contaminants reach the piston 和 affect the cylinder’s operation.
- 密封骨折:突发冲击, 的冲击, or low-quality seals can lead to the seal fracturing (breaking), 撕裂, 或撕破.
有问题? 今天联系买足球app推荐工业!
If you need help selecting the right seal kit, get help from our team at Yates 买足球app推荐. We’ve been a leading hydraulic cylinder manufacturer for over 50 years 和 carry hydraulic cylinder seal kits in various sizes. Some of our kits include st和ard, 加载唇, fluorocarbon, low-friction, 和 cast iron piston ring.
When you have your bore, rod, stroke, 和 other measurements, reach out to us via our fast 和 easy 网上联络表格, 和 one of our representatives will get in touch with you shortly.